Browse Source

Add basic errno support.

Needed for hash table support; probably useful in a lot of other
places as well.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Wolfgang Denk 14 years ago
parent
commit
65cd3fa81f
3 changed files with 11 additions and 0 deletions
  1. 9 0
      include/errno.h
  2. 1 0
      lib/Makefile
  3. 1 0
      lib/errno.c

+ 9 - 0
include/errno.h

@@ -0,0 +1,9 @@
+#ifndef _ERRNO_H
+
+#include <asm-generic/errno.h>
+
+extern int errno;
+
+#define __set_errno(val) do { errno = val; } while (0)
+
+#endif /* _ERRNO_H */

+ 1 - 0
lib/Makefile

@@ -37,6 +37,7 @@ COBJS-y += crc32.o
 COBJS-y += ctype.o
 COBJS-y += display_options.o
 COBJS-y += div64.o
+COBJS-y += errno.o
 COBJS-$(CONFIG_GZIP) += gunzip.o
 COBJS-$(CONFIG_LMB) += lmb.o
 COBJS-y += ldiv.o

+ 1 - 0
lib/errno.c

@@ -0,0 +1 @@
+int errno = 0;